Datasheet LTC1841, LTC1842, LTC1843 (Analog Devices) - 2

LTC1841/LTC1842/LTC1843
W W W U ABSOLUTE MAXIMUM RATINGS (Note 1)
Voltage OUT Short-Circuit Duration (V + ≤ 5.5V) .. Continuous V + to V – ..12V to – 0.3V Power Dissipation ... 500mW IN +, IN –, HYST ... (V + + 0.3V) to (V – – 0.3V) Operating Temperature Range REF ... (V + + 0.3V) to (V – – 0.3V) LTC1841C/LTC1842C/LTC1843C ... 0°C to 70°C OUT .. 12V to (V – – 0.3V) LTC1841I/LTC1842I/LTC1843I .. – 40°C to 85°C Current Storage Temperature Range .. – 65°C to 150°C IN +, IN –, HYST ... 20mA Lead Temperature (Soldering, 10 sec).. 300°C REF ... 20mA OUT .. 50mA
U W U PACKAGE/ORDER INFORMATION
TOP VIEW TOP VIEW TOP VIEW OUT A 1 8 OUT B OUT A 1 8 OUT B OUT A 1 8 OUT B V – 2 7 V + V– 2 7 V+ V– 2 7 V+ IN A+ 3 6 IN B+ IN A+ 3 6 REF IN A+ 3 6 REF IN A– 4 5 IN B– IN B+ 4 5 HYST IN B– 4 5 HYST S8 PACKAGE S8 PACKAGE S8 PACKAGE 8-LEAD PLASTIC SO 8-LEAD PLASTIC SO 8-LEAD PLASTIC SO T T JMAX = 150°C, θJA = 125°C/ W TJMAX = 150°C, θJA = 125°C/ W JMAX = 150°C, θJA = 125°C/ W ORDER PART S8 PART ORDER PART S8 PART ORDER PART S8 PART NUMBER MARKING NUMBER MARKING NUMBER MARKING LTC1841CS8 1841 LTC1842CS8 1842 LTC1843CS8 1843 LTC1841IS8 1841I LTC1842IS8 1842I LTC1843IS8 1843I Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS V+ = 5V, V– = 0V, TA = 25
°
C unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply
V + Supply Voltage Range LTC1841 ● 2.0 11 V LTC1842/LTC1843 ● 2.5 11 V ICC Supply Current HYST = REF (Note 2) ● 3.5 5.7 µA
Comparator
VOS Comparator Input Offset Voltage (Note 3) ● ±3 ±10 mV IIN Input Leakage Current (IN +, IN –) IN + = IN – = 2.5V (LTC1841), ● ±0.01 ±1.0 nA IN + = IN – = VREF (LTC1842/LTC1843) VIN Comparator Input Voltage Range ● V – V + – 1.3V V PSRR Power Supply Rejection Ratio V + = 2V to 11V (LTC1841), 0.1 1 mV/V V + = 2.5V to 11V (LTC1842/LTC1843) CMRR Common Mode Rejection Ratio VCM = V– to (V+ – 1.3V) LTC1841 ● 0.1 1 mV/V VHYST Hysteresis Input Voltage Range LTC1842/LTC1843 ● VREF – 50mV VREF V 2